Adding myself as admin

how can i add my self to admin ? or be owner i can not seem to fined the commands or right rcon command to login then add my self.. am so lost =(
could some one show me how to do this right pls when i do like rcon.password - it seems to work but i get nothing when i try to add my self like some ppl can in other posts so i wonna no if i can do it with in the config for users or in groups?


users

Code:

{
  "xxxxxxxxxxxxxxxx": {
  "LastSeenNickname": "DarkEra",
  "Perms": [],
  "Groups": [
  "player"
  ]

or groups

Code:

{
  "admin": {
  "Title": "admin",
  "Rank": 0,
  "Perms": []
  },
  "moderator": {
  "Title": "moderator",
  "Rank": 1,
  "Perms": []
  },
  "player": {
  "Title": "player",
  "Rank": 2,
  "Perms": []
  }
}